Staxly

Langfuse vs Payload CMS

Open-source LLM engineering platform — observability, prompts, evals
vs. TypeScript-first open-source headless CMS — code-first, config-driven

Langfuse website ↗Payload CMS website ↗

Pricing tiers

Langfuse

Hobby (Cloud Free)
Free. 50k units/month included. 30 days data access. 2 users. Community support.
Free
Self-Hosted (OSS)
MIT-licensed. Docker Compose or Kubernetes deployment. Unlimited.
$0 base (usage-based)
Core
$29/month. 100k units included ($8 per 100k overage). 90 days retention. Unlimited users. In-app support.
$29/mo
Pro
$199/month. 100k units included + same overage. 3 YEARS retention. Unlimited annotation queues. High rate limits.
$199/mo
Teams Add-on
+$300/month. Adds Enterprise SSO + fine-grained RBAC + dedicated Slack support to Pro.
$300/mo
Enterprise
$2,499/month. Everything + custom rate limits, uptime SLA, dedicated support engineer. Yearly options.
$2499/mo
Langfuse website ↗

Payload CMS

Open Source (self-host)
MIT license. Run free on any Node host. Full admin + APIs.
$0 base (usage-based)
Cloud — Standard
$35/month. 3 GB DB storage, 30 GB file storage, 40 GB bandwidth.
$35/mo
Cloud — Pro
$199/month. Higher resources + priority support.
$199/mo
Cloud — Enterprise
Custom cloud hosting with dedicated support.
Custom
Payload CMS website ↗

Free-tier quotas head-to-head

Comparing hobby on Langfuse vs oss on Payload CMS.

MetricLangfusePayload CMS
No overlapping quota metrics for these tiers.

Features

Langfuse · 16 features

  • Annotation Queues — Human reviewers rate traces. Unlimited on Pro+.
  • Dashboards — Aggregate metrics, cost, quality across projects.
  • Datasets — Curate test sets from production traces. Run experiments.
  • EU Cloud Region — GDPR-compliant hosting in EU.
  • Evaluations — LLM-as-judge, manual scores, custom model-graded evaluators.
  • LLM Cost Tracking — Automatic cost calculation per provider/model.
  • OpenTelemetry Native — OTel SDK → Langfuse endpoint works out of box.
  • Playground — Test prompts + models + variables live.
  • Prompt Management — Version, tag, label prompts. Reference from code by label.
  • Public API — Full REST API for ingest, query, prompt management.
  • Python @observe decorator — One-line decorator to trace any function.
  • Self-Hosting — Docker Compose + k8s Helm chart.
  • Sessions — Group related traces (conversations, agent runs).
  • Tracing — Capture every LLM call, tool call, nested span with inputs/outputs/cost.
  • Users Tracking — Segment traces by user ID, track per-user cost.
  • Webhooks — Subscribe to trace completion events.

Payload CMS · 18 features

  • Access Control — Function-based per-collection/field access rules.
  • Admin UI — React admin — fully customizable components + views.
  • Authentication — Built-in JWT + HTTP-only cookies + API keys.
  • Blocks — Flexible page-builder pattern via block field.
  • Collections — Schema-defined content types with fields, hooks, access control.
  • Drafts & Versions — Version every change. Autosave, drafts, scheduled publish.
  • Field Types — Rich field library: text, textarea, richText (Lexical), upload, relation, blocks…
  • Form Builder Plugin — Dynamic forms with submissions storage.
  • Globals — Single-instance documents (site settings, header, footer).
  • GraphQL API (auto) — Full schema auto-generated.
  • Hooks — Lifecycle hooks: beforeChange/Read/Delete, afterChange, etc.
  • i18n — Multi-locale field values + admin UI translations.
  • Live Preview — Side-by-side editor + iframe preview of Next.js site.
  • Local API (zero latency) — Direct in-process data access. Ideal for Next.js server components.
  • Multi-Tenancy Plugin — Multi-tenant content isolation via plugin.
  • @payloadcms/plugin-seo — Built-in SEO meta fields.
  • Plugins — Official + community plugins (SEO, Stripe, Form Builder, multi-tenant, etc.).
  • REST API (auto) — Auto-generated REST endpoints for every collection.

Developer interfaces

KindLangfusePayload CMS
CLI—create-payload-app
SDKlangfuse-js, langfuse-python@payloadcms/next (Node)
RESTLangfuse REST APIPayload REST API
GRAPHQL—Payload GraphQL API
MCPLangfuse MCP Server—
OTHERLangfuse Dashboard, OpenTelemetry endpointAdmin UI, Local API (Node.js direct)
Staxly is an independent catalog of developer platforms. Outbound links to Langfuse and Payload CMS are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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